Seitaro Ishii
CIK 1783907 · View on SEC EDGAR ↗
First SEC filing: Feb. 3, 2021 · Latest: Feb. 3, 2021
On this page
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 16, 2025 | KRUS | S | 6,918 | $83.03 | $574,402 | 1,313 Direct | -84.05% | Disposed | -40.2% (price as of 2026-08-20) |
| April 12, 2024 | KRUS | S | 5,000 | $109.97 | $549,850 | 1,313 Direct | -79.20% | Disposed | -54.9% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 16, 2025 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (1,546) | $46.15 | Feb. 1, 2032 | 1,546 | Disposed |
| Jan. 16, 2025 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (3,290) | $22.65 | Feb. 1, 2031 | 3,290 | Disposed |
| Jan. 16, 2025 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (2,082) | $25.94 | Dec. 2, 2029 | 2,082 | Disposed |
| April 12, 2024 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (5,000) | $25.94 | Dec. 2, 2029 | 5,000 | Disposed |
| Feb. 1, 2022 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (1,546) | $46.15 | Feb. 1, 2032 | 1,546 | Acquired |
| Feb. 1, 2021 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (3,290) | $22.65 | Feb. 1, 2031 | 3,290 | Acquired |
| Dec. 2, 2019 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (2,082) | $25.94 | Dec. 2, 2029 | 2,082 | Acquired |
| Dec. 2, 2019 | KRUS | Option to Purchase Class A Common Stock | Class A Common Stock (5,000) | $25.94 | Dec. 2, 2029 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).